PlanarYUV Tests pass

src/PlanarYUVLuminanceSourceTestCase.rs

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+/*
+ * Copyright 2014 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+//  */
+
+// package com.google.zxing;
+
+// import org.junit.Assert;
+// import org.junit.Test;
+
+// /**
+//  * Tests {@link PlanarYUVLuminanceSource}.
+//  */
+// public final class PlanarYUVLuminanceSourceTestCase extends Assert {
+
+use crate::{LuminanceSource, PlanarYUVLuminanceSource};
+
+static YUV: [u8; 36] = [
+    // 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 0, -1, -1, -2, -3, -5, -8, -13, -21, -34, -55, -89,
+    128, 129, 129, 130, 131, 133, 136, 141, 149, 162, 183, 217, 128, 127, 127, 126, 125, 123, 120,
+    115, 107, 94, 73, 39, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+];
+static COLS: usize = 6;
+static ROWS: usize = 4;
+static Y: [u8; 24] = [
+    128, 129, 129, 130, 131, 133, 136, 141, 149, 162, 183, 217, 128, 127, 127, 126, 125, 123, 120,
+    115, 107, 94, 73, 39,
+];
+
+#[test]
+fn test_no_crop() {
+    let source = PlanarYUVLuminanceSource::new_with_all(
+        YUV.to_vec(),
+        COLS,
+        ROWS,
+        0,
+        0,
+        COLS,
+        ROWS,
+        false,
+        false,
+    )
+    .unwrap();
+    assert_equals(&Y, 0, &source.getMatrix(), 0, Y.len());
+    for r in 0..ROWS {
+        // for (int r = 0; r < ROWS; r++) {
+        assert_equals(&Y, r * COLS, &source.getRow(r, &vec![0; 0]), 0, COLS);
+    }
+}
+
+#[test]
+fn test_crop() {
+    let source = PlanarYUVLuminanceSource::new_with_all(
+        YUV.to_vec(),
+        COLS,
+        ROWS,
+        1,
+        1,
+        COLS - 2,
+        ROWS - 2,
+        false,
+        false,
+    )
+    .unwrap();
+    assert!(source.isCropSupported());
+    let cropMatrix = source.getMatrix();
+    for r in 0..ROWS-2 {
+        // for (int r = 0; r < ROWS - 2; r++) {
+        assert_equals(
+            &Y,
+            (r + 1) * COLS + 1,
+            &cropMatrix,
+            r * (COLS - 2),
+            COLS - 2,
+        );
+    }
+    for r in 0..ROWS-2 {
+        // for (int r = 0; r < ROWS - 2; r++) {
+        assert_equals(
+            &Y,
+            (r + 1) * COLS + 1,
+            &source.getRow(r, &vec![0; 0]),
+            0,
+            COLS - 2,
+        );
+    }
+}
+
+#[test]
+fn test_thumbnail() {
+    let source = PlanarYUVLuminanceSource::new_with_all(
+        YUV.to_vec(),
+        COLS,
+        ROWS,
+        0,
+        0,
+        COLS,
+        ROWS,
+        false,
+        false,
+    )
+    .unwrap();
+    let c_vec = vec![
+        ((0x00FF0000 << 8) + 0x00808080) as u8,
+        ((0x00FF0000 << 8) + 0x00818181) as u8,
+        ((0x00FF0000 << 8) + 0x00838383) as u8,
+        ((0x00FF0000 << 8) + 0x00808080) as u8,
+        ((0x00FF0000 << 8) + 0x007F7F7F) as u8,
+        ((0x00FF0000 << 8) + 0x007D7D7D) as u8,
+    ];
+    assert_eq!(c_vec, source.renderThumbnail());
+}
+
+fn assert_equals(
+    expected: &[u8],
+    expectedFrom: usize,
+    actual: &[u8],
+    actualFrom: usize,
+    length: usize,
+) {
+    for i in 0..length {
+        // for (int i = 0; i < length; i++) {
+        assert_eq!(expected[expectedFrom + i], actual[actualFrom + i]);
+    }
+}
+
+// }